• 2022-06-09
    已知幂级数[img=64x60]1802d00cb30b774.png[/img]在[img=58x20]1802d00cbb3bbf4.png[/img]处收敛,则( ).
    A: 幂级数[img=64x60]1802d00cd3dc077.png[/img]的收敛半径[img=47x22]1802d00cdc1e379.png[/img]
    B: 幂级数[img=64x60]1802d00cd3dc077.png[/img]在[img=44x18]1802d00cee5519f.png[/img]处绝对收敛
    C: 幂级数[img=109x60]1802d00cf6ade59.png[/img]在[img=44x18]1802d00cff6af68.png[/img]处收敛
    D: 幂级数[img=64x60]1802d00cd3dc077.png[/img]在[img=44x18]1802d00cff6af68.png[/img]处收敛
  • 举一反三